S100 Calcium Binding Protein A8 Human Recombinant, His Tag

Lyophilized powder at room temperature.

The Recombinant Human S100A8 produced in E.coli has a molecular mass of 12.08kDa containing 103 amino acid residues of the human S100A8 and fused to a 10 a.a. His tag at N-terminus.
Amino Acid Sequence:MKHHHHHHAS MLTELEKALN SIIDVYHKYS LIKGNFHAVY RDDLKKLLET ECPQYIRKKG ADVWFKELDI NTDGAVNFQEMLTELEKALN SIIDVYHKYS LIKGNFHAVY RDDLKKLLET ECPQYIRKKG ADVWFKELDI NTDGAVNFQE FLILVIKMGV AAHKKSHEES HKE.
Physical Appearance and Stability: Store lyophilized protein at -20C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4C for a limited period of time; it does not show any change after two weeks at 4C.
Formulation and Purity: S100A8 was filtered (0.4um) and lyophilized in 0.5mg/ml in 20mM Tris and 100mM NaCl, pH 7.5.
Solubility: It is recommended to add deionized water to prepare a working stock solution of approximately 0.5 mg/ml and let the lyophilized pellet dissolve completely. Product is not sterile! Please filter the product by an appropriate sterile filter before using it in the cell culture.